136869192 has 48 divisors (see below), whose sum is σ = 372939840. Its totient is φ = 45345888.

The previous prime is 136869169. The next prime is 136869197. The reversal of 136869192 is 291968631.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (136869197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6333 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (7769580).

Almost surely, 2^136869192 is an apocalyptic number.

136869192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136869192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186469920).

136869192 is an abundant number, since it is smaller than the sum of its proper divisors (236070648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136869192 is a wasteful number, since it uses less digits than its factorization.

136869192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11562 (or 11555 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 136869192 is about 11699.1107354363. The cubic root of 136869192 is about 515.3495499811.

The spelling of 136869192 in words is "one hundred thirty-six million, eight hundred sixty-nine thousand, one hundred ninety-two".